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. 2012 Nov 14;33(2):235–243. doi: 10.1038/jcbfm.2012.161

Figure 2.

Figure 2

(A) Intracranial hypertension owing to infusion of normal saline into the lumbar subarachnoid space at a rate of 0.15 mL/minute and the corresponding waveforms of arterial blood pressure (ABP), cerebral perfusion pressure (CPP), flow velocity (FV), critical closing pressure (CCP), and wall tension (WT). (B) Trimetaphan induced arterial hypotension and the corresponding waveforms of intracranial pressure (ICP), CPP, FV, CCP, and wall tension (WT). In both figures, CCP has been calculated with the first harmonic model of critical closing pressure (CCP1). Gaps left after artifacts removal have been interpolated graphically.